The 903 Buna O-Ring 90 Duro Morb from SSP Fittings Corp is engineered for sealing applications in hydraulic and pneumatic systems. This O-ring is made from high-quality Buna rubber, providing excellent resistance to oils, fuels, and other chemicals. With a 90 durometer rating, it offers a balance of flexibility and durability, ensuring a reliable seal under pressure. The O-ring's dimensions are designed to fit standard fittings, making it a versatile choice for various applications. This product meets industry standards for quality and performance, ensuring effective sealing in demanding environments.